Patent US2782822A successfully refreshed from Google Patents.
US2782822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic screw drivers
Assignee: Magna Driver Corp
•
Filing: 1953-05-22
•
Granted: 1957-02-26
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:22
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/02; B25B23/08; B25B23/12; Y; Y10; Y10S; Y10S7/00; Y10S7/901; Y10S81/00; Y10S81/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |